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https://github.com/yacy/yacy_search_server.git
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e32055aa15
- a new database for url reference data ('seen links')
- a new database extending the references to the full url metadata
attributes set which shall replace the old metadata database if it is
finished
- migration help classes stub to use old and new metadata databases
simultanously
85 lines
2.5 KiB
Java
85 lines
2.5 KiB
Java
/**
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* URIReferenceNode
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* Copyright 2012 by Michael Peter Christen
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* First released 5.4.2012 at http://yacy.net
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*
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* This file is part of YaCy Content Integration
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.yacy.kelondro.data.meta;
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import java.net.MalformedURLException;
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import java.text.ParseException;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.regex.Pattern;
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import net.yacy.cora.date.ISO8601Formatter;
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import net.yacy.cora.document.ASCII;
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public class URIReferenceNode extends HashMap<String, byte[]> implements URIReference {
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private static final long serialVersionUID = -1580155759116466570L;
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private byte[] hash;
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public URIReferenceNode(DigestURI uri, Date date) {
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this.hash = uri.hash();
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this.put(MetadataVocabulary.url.name(), ASCII.getBytes(uri.toNormalform(true, false)));
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this.put(MetadataVocabulary.moddate.name(), ASCII.getBytes(ISO8601Formatter.FORMATTER.format(date)));
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}
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@Override
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public byte[] hash() {
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return this.hash;
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}
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@Override
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public Date moddate() {
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byte[] x = this.get(MetadataVocabulary.moddate.name());
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try {
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return x == null ? null : ISO8601Formatter.FORMATTER.parse(ASCII.String(x));
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} catch (ParseException e) {
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return null;
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}
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}
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@Override
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public DigestURI url() {
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byte[] x = this.get(MetadataVocabulary.moddate.name());
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try {
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return x == null ? null : new DigestURI(ASCII.String(x), this.hash);
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} catch (MalformedURLException e) {
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return null;
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}
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}
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@Override
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public boolean matches(Pattern matcher) {
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byte[] x = this.get(MetadataVocabulary.moddate.name());
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if (x == null) return false;
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return matcher.matcher(ASCII.String(x)).matches();
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}
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@Override
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public Map<String, byte[]> toMap() {
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return this;
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}
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}
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